diff options
| author | Ming Lei <[email protected]> | 2021-12-02 17:07:16 +0800 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2021-12-02 08:20:49 -0700 |
| commit | 18d78171c061889a9a43152f60d6a27a10fc7656 (patch) | |
| tree | 05c4db7fc4b7b64cdda8eaca0ecf447afe13e97d /tools/perf/scripts/python/syscall-counts.py | |
| parent | 8a7518931baa8ea023700987f3db31cb0a80610b (diff) | |
blk-mq: check q->poll_stat in queue_poll_stat_show
Without checking q->poll_stat in queue_poll_stat_show(), kernel panic
may be caused if q->poll_stat isn't allocated.
Fixes: 48b5c1fbcd8c ("block: only allocate poll_stats if there's a user of them")
Signed-off-by: Ming Lei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions